feat: project cover art with AI generation, branding rename, RBAC fix, computation graph

- Add DALL-E cover art generation for projects (Azure OpenAI + standard OpenAI)
- CoverArtSection component with generate/upload/remove/focus-point controls
- Client-side image compression (10MB input → WebP/JPEG, max 1920px)
- DALL-E settings in admin panel (deployment, endpoint, API key)
- MCP assistant tools for cover art (generate_project_cover, remove_project_cover)
- Rename "Planarchy" → "plANARCHY" across all UI-facing text (13 files)
- Fix hardcoded canEdit={true} on project detail page — now checks user role
- Computation graph visualization (2D/3D) for calculation rules
- OG image and OpenGraph metadata

Co-Authored-By: claude-flow <ruv@ruv.net>

apps/web/src/components/allocations/RecurrenceEditor.tsx

@@ -2,6 +2,7 @@
 
 import { RecurrenceFrequency } from "@planarchy/shared";
 import type { RecurrencePattern } from "@planarchy/shared";
+import { InfoTooltip } from "~/components/ui/InfoTooltip.js";
 
 const WEEKDAY_LABELS = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"];
 
@@ -38,7 +39,7 @@ export function RecurrenceEditor({ value, onChange }: RecurrenceEditorProps) {
     <div className="space-y-3 p-3 bg-gray-50 dark:bg-gray-900 rounded-lg border border-gray-200 dark:border-gray-700">
       {/* Frequency selector */}
       <div>
-        <span className={labelClass}>Frequency</span>
+        <span className={labelClass}>Frequency<InfoTooltip content="How often the allocation repeats: weekly, biweekly, monthly, or a custom pattern." /></span>
         <div className="flex gap-2 flex-wrap">
           {Object.values(RecurrenceFrequency).map((f) => (
             <button
@@ -66,7 +67,7 @@ export function RecurrenceEditor({ value, onChange }: RecurrenceEditorProps) {
       {/* Weekday picker — WEEKLY and BIWEEKLY */}
       {(freq === RecurrenceFrequency.WEEKLY || freq === RecurrenceFrequency.BIWEEKLY) && (
         <div>
-          <span className={labelClass}>Days of week</span>
+          <span className={labelClass}>Days of week<InfoTooltip content="Select which days of the week this allocation is active. Hours per day applies only on selected days." /></span>
           <div className="flex gap-1">
             {WEEKDAY_LABELS.map((label, dow) => {
               const selected = (value?.weekdays ?? []).includes(dow);
@@ -138,7 +139,7 @@ export function RecurrenceEditor({ value, onChange }: RecurrenceEditorProps) {
       {/* Optional hours override for WEEKLY/BIWEEKLY/MONTHLY */}
       {freq !== RecurrenceFrequency.CUSTOM && (
         <div>
-          <label className={labelClass}>Hours per recurring day (optional override)</label>
+          <label className={labelClass}>Hours per recurring day (optional override)<InfoTooltip content="Override the allocation's default hours for recurring days only. Leave empty to use the allocation's hours/day." /></label>
           <input
             type="number"
             min={0.5}